an aid to的用法和样例：
例句
- A cup of tea helped to thaw out our guest.
一杯茶有助于我们的客人变得不拘束。 - A vigilant police force helps to control crime.
一支警惕着的警察队伍有助于遏制犯罪。
an aid to的相关资料：
临近单词
Angen
an
an exact copy or reproduction.
An oversize article or object.
an amphibious military operation
AN EFFECTIVENESS EQUATION OF ATE
an apology for apparent rudeness
an intra-arterial injection.
an unwise decision/investment
An affirmative statement or vote
angiomatoid fibrous histiocytoma
an investment/share portfolio
